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- (HEE-muh-toh-POR-fih-rin deh-RIH-vuh-tiv) A drug used in photodynamic therapy that is absorbed by tumor cells. When exposed to light, it becomes active and kills the cancer cells.
National Cancer Institute - Cite This Source - This Definition
- arsenic, dihematoporphyrin ether, HPPH, LED therapy, light-emitting diode therapy, methyl-5-aminolevulinate, photoactivity, photodynamic therapy, Photofrin, photosensitizer, photosensitizing agent, porcine, porfimer sodium, psoralen and ultraviolet A therapy, PUVA therapy, silicon phthalocyanine 4, talaporfin sodium